diff --git a/car.py b/car.py
index b7ecb8e..0123db4 100644
--- a/car.py
+++ b/car.py
@@ -69,7 +69,7 @@ class Car(pygame.sprite.Sprite):
             75 - int(random.random() * 20) - 10,
             GY - 50 - int(random.random() * 20) - 10,
         )
-        self.speed = 10
+        self.speed = 1
         self.heading = random.random() * 20
         self.heading_change = random.random() * 30
 
@@ -170,10 +170,9 @@ class Car(pygame.sprite.Sprite):
             self.heading += self.heading_change * CAR_STEERING_FACTOR / self.speed
             self.heading = self.heading % 360
 
-            self.speed += self.throttle  # * THROTTLE_POWER
+            self.speed += self.throttle * THROTTLE_POWER
             self.speed = max(0, self.speed)
             self.speed = min(self.speed, CAR_MAX_SPEED)
-            print("speed", self.speed)
 
         super().update()
 
diff --git a/main.py b/main.py
index 866056a..a2fd352 100755
--- a/main.py
+++ b/main.py
@@ -93,9 +93,9 @@ def run_round(all_cars):
     for b in new_brains:
         all_cars.add(Car(brain=b))
     print("Waiting before new run")
-    for x in range(1):
-        time.sleep(0.25)
-        pygame.display.flip()
+    # for x in range(1):
+    #     time.sleep(0.25)
+    pygame.display.flip()
 
 
 while True:
diff --git a/params.py b/params.py
index aa380f2..4ae5362 100644
--- a/params.py
+++ b/params.py
@@ -10,15 +10,15 @@ CELL_COLOR = (80, 80, 80)
 CAR_SIZE = 20
 CAR_MAX_SPEED = 100
 CAR_MAX_FITNESS = 100
-CAR_STEERING_FACTOR = 10
+CAR_STEERING_FACTOR = 300
 MAX_RUN_TIME = 120
 VISION_LENGTH = 75
 VISION_SPAN = 35  # degrees
-THROTTLE_POWER = 3
+THROTTLE_POWER = 5
 
 MUTATION_RATE = 0.01
 SELECTION_ALG = "kway"  # roulette
-KWAY_TOURNAMENT_PLAYERS = 10
+KWAY_TOURNAMENT_PLAYERS = 5
 
 pygame.init()
 screen = pygame.display.set_mode((GX, GY), FLAGS)